OE Quality
60-Day Returns

Sunsong 3402439 Power Steering Pressure Line Hose Assembly
Overview of Sunsong Power Steering Pressure Line Hose Assembly
The Sunsong 3402439 power steering pressure line hose assembly is designed specifically for Toyota Tacoma models. This hose assembly ensures reliable fluid transfer within the power steering system, maintaining optimal steering performance and vehicle safety.
- Compatible with Toyota Tacoma power steering systems
- 36.8 inches (934 mm) length for precise fitment
- End 1 fitting: 16 mm banjo type
- End 2 fitting: 16 mm male inverted flare
- Constructed with durable CSM hose material
- Includes power steering switch port for system integration
- No bracket included
Detailed Product Description
The Sunsong 3402439 power steering pressure line hose assembly is engineered with a 16 mm banjo fitting on one end and a 16 mm male inverted flare fitting on the other, providing secure and leak-resistant connections. The hose is made from CSM (chlorosulfonated polyethylene) material, known for its resistance to heat, oil, and abrasion, which is critical for the demanding environment of power steering systems. Measuring 36.8 inches (934 mm) in length, this hose assembly is tailored to fit Toyota Tacoma models, ensuring proper routing and installation without modifications. Additionally, the inclusion of a power steering switch port allows for integration with the vehicle’s power steering pressure switch, supporting system diagnostics and functionality.
Common Applications and Problem Resolution
- Replaces worn or leaking power steering pressure hoses on Toyota Tacoma vehicles
- Addresses power steering fluid leaks that cause steering difficulty or noise
- Resolves pressure loss issues affecting steering responsiveness
- Prevents hose failure due to abrasion or heat damage
- Supports proper function of power steering pressure switch for system alerts
Installation Notes and Tips
- Ensure compatibility with Toyota Tacoma model year before installation
- Inspect fittings and hose routing for clearance and secure attachment
- Use appropriate tools to avoid damage to banjo and inverted flare fittings
- Check power steering fluid levels and bleed system after installation
- Refer to technical tip Tt1000 for additional installation guidance
Quality Assurance and Warranty
Sunsong power steering components are manufactured to meet or exceed OEM specifications for durability and performance. The 3402439 hose assembly undergoes rigorous quality control to ensure leak-free operation and long service life. While specific warranty details may vary, Sunsong products typically include coverage against defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.
| Brand | Sunsong |
| Part Number | 3402439 |
| End 1 Fitting Size (mm) | 16 |
| End 1 Fitting Type | Banjo |
| End 2 Fitting Size (mm) | 16 |
| End 2 Fitting Type | Male Inverted Flare |
| Hose Material 1 | CSM |
| Length (in) | 36.8 |
| Length (mm) | 934 |
| PS Switch Port (Y/N) | Y |
| Tech Tip | TT1000 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2000 | Toyota | Tacoma | N/A | Exc. California Emissions |
| 1999 | Toyota | Tacoma | N/A | |
| 1998 | Toyota | Tacoma | N/A | |
| 1997 | Toyota | Tacoma | N/A | |
| 1996 | Toyota | Tacoma | N/A | |
| 1995 | Toyota | Tacoma | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.